| 摘要 |
NEW MATERIAL:A compound of formula I [X is H, chlorine, methyl, or alkoxy (alkyl); Y is H, methyl, methoxy, chlorine, or acylamino; R' is 6-13C alkoxyethoxyethyl or benzyloxyethyl]. EXAMPLE:A compound of formula II. USE:For dyeing polyester fiber blue with high light, sublimation, washing, sweat, and water resistance and high fastness; and for dyes of excellent heat resistance and alkali dischargeproofness. PREPARATION:2-amino-5-nitrothiazole is first diazotized, followed by coupling with an aniline of formula III.
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